<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png" />
      </div>
      <el-form
        ref="loginFormRef"
        label-width="0px"
        :rules="loginFormRules"
        :model="loginForm"
        class="login_form"
      >
        <el-form-item prop="username">
          <el-input
            placeholder="请输入账号"
            v-model="loginForm.username"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            placeholder="请输入密码"
            v-model="loginForm.password"
            type="password"
          ></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登陆</el-button>
          <el-button type="info" @click="reset">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: "admin",
        password: "123456",
      },
      loginFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 12, message: "长度在 3-12之间", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 12, message: "长度在 6-12之间", trigger: "blur" },
        ],
      },
    };
  },
  methods: {
    reset() {
      this.$refs.loginFormRef.resetFields();
      //   重置该表单，ele提供的接口
    },
    login() {
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) return;

        const { data: res } = await this.$http.post("login", this.loginForm);
        if (res.meta.status !== 200) return this.$message.error("失败拉！");
        this.$message.success("okok!");
        sessionStorage.setItem("token", res.data.token);
        this.$router.push("/home");
      });
    },
  },
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  .login_box {
    position: relative;
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    .avatar_box {
      position: absolute;
      left: 50%;
      transform: translate(-50%);
      top: -30%;
      height: 130px;
      width: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      background-color: #fff;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: center;
}
</style>
